Metakaolin content, wt%

Age, days

The amount of silicon species, %

Q0

Q1

Q2 (1Al)

Q2

Qлю*

0

Dry cement

100

0.0

0.0

0.0

0.0

0.0

1

73.8

16.3

3.6

6.2

26.1

0.0

7

27.9

48.0

11.0

13.1

72.1

0.0

28

18.9

41.4

18.2

21.5

81.1

0.0

90

20.6

35.3

17.1

27.1

79.4

0.0

10

PC plus metakaolin dry mix

61.6

0.0

0.0

0.0

0.0

38.4

1

47.2

14.9

3.5

6.3

24.6

28.3

7

24.5

25.7

28.7

21.1

75.5

0

28

22.2

22.8

34.3

20.7

77.8

0

90

22.3

25.1

28.7

23.9

77.7

0

30

PC plus metakaolin dry mix

34.6

0.0

0.0

0.0

0.0

65.4

1

23.1

9.5

5.4

5.7

20.6

56.3

7

13.1

9.0

20.1

14.2

43.2

43.7

28

15.6

10.8

21.6

15.1

47.5

36.9

90

13.0

10.7

21.8

16.8

49.2

37.8